Ship realtime read-model integration

[0xprogrammable]

Outcome

• adds the authenticated QuickNode block wake path while keeping Envio plus dual RPC verification as the source of truth
• refreshes visible Explore, token detail, and chart clients every five seconds with two-second ready-response freshness
• fixes projection event authorization and applies the hosted migration through the dedicated migrator role

Verification

• Vitest: 1,579 passed, 7 skipped
• PGlite database tests: 24 passed
• Typecheck: passed
• ESLint: passed
• Next production build: passed
• Read-model contract smoke: passed
• Read-model operations gate: passed
• Candidate restore manifest matched exactly: 120 tables, 147,491 pre-migration rows
• Hosted migration 20260802030000: applied and verified; Candidate remains unpromoted with zero projection publications
• All five TLS pooler role/capability pairs: verified

Release state

Head: 674cc62e7e7b15f928945c8bceda4aca5299f78e

Production has not been promoted or reassigned. The exact staged deployment, projectors, performance release gate, database promotion attestation, and production binding checks must run after this PR is reviewed and merged.